lifting lever

例句：

1. 1. The elevator leveris located on the wall above the elevator.
   电梯杆位于电梯上方的墙上。
2. 2. Thelifting device was designed to lift heavy objectseasily.
   这个起重设备被设计用来轻松地举起重物。
3. 3. The engineer used thelifting lever to adjust the height of theplatform.
   工程师使用提升杆来调整平台的高低。